expanded perlite available in
size: 1-3mm,3-6mm,10-120mesh etc
uses: construction,insulation,fireproof,horticulture,filler
Expanded PerliteSize: 1-3mm,1-6mm,3-5mm,2-4mm 20-150meshExpanded perlite, an kind of internal honeycomb-like structure white granular material made...